// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you under the Apache License, Version 2.0 (the
// "License"); you may not use this file except in compliance
// with the License.  You may obtain a copy of the License at
//
//   http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an
// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
// KIND, either express or implied.  See the License for the
// specific language governing permissions and limitations
// under the License.

package cn.org.dbtools.star.stack.model.request.construct;

import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

@Data
@NoArgsConstructor
@AllArgsConstructor
public class FieldInfo {

    private String name;

    private FieldType type;

    private int length;

    private int secondaryLength;

    private String extra;

    private String defaultValue;

    private boolean key;

    private boolean beNull;

    /**
     * Field type
     */
    public enum FieldType {
        TINYINT,
        SMALLINT,
        INT,
        BIGINT,
        LARGEINT,
        BOOLEAN,
        FLOAT,
        DOUBLE,
        DECIMAL,
        DATE,
        DATETIME,
        CHAR,
        VARCHAR,
        HLL,
        BITMAP;
    }

    /**
     * transformation database type
     *
     * @return string
     */
    public String transDatabaseType() {
        String typeResult = this.type.name();
        switch (type) {
            case CHAR:
                return typeResult + "(" + length + ")";
            case VARCHAR:
                return typeResult + "(" + length + ")";
            case DECIMAL:
                return typeResult + "(" + length + "," + secondaryLength + ")";
            default:
                return typeResult;
        }
    }
}
